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All results from a given calculation for C2Cl6 (hexachloroethane)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3D 1A1g
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-2837.533930
Energy at 298.15K 
HF Energy-2837.533930
Nuclear repulsion energy1017.584265
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1g 1010 968 0.00 5.10 0.23 0.37
2 A1g 444 425 0.00 29.76 0.01 0.03
3 A1g 222 213 0.00 1.28 0.32 0.49
4 A1u 84 81 0.00 0.00 0.00 0.00
5 A2u 694 665 52.72 0.00 0.00 0.00
6 A2u 384 368 0.66 0.00 0.00 0.00
7 Eg 858 822 0.00 13.74 0.75 0.86
7 Eg 858 822 0.00 13.75 0.75 0.86
8 Eg 344 330 0.00 5.77 0.75 0.86
8 Eg 344 330 0.00 5.77 0.75 0.86
9 Eg 224 215 0.00 2.48 0.75 0.86
9 Eg 224 215 0.00 2.49 0.75 0.86
10 Eu 792 759 208.42 0.00 0.00 0.00
10 Eu 792 759 208.43 0.00 0.00 0.00
11 Eu 280 268 0.01 0.00 0.00 0.00
11 Eu 280 268 0.01 0.00 0.00 0.00
12 Eu 164 157 0.08 0.00 0.00 0.00
12 Eu 164 157 0.08 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 4080.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 3910.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/aug-cc-pVDZ
ABC
0.02874 0.02363 0.02363

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.789
C2 0.000 0.000 -0.789
Cl3 0.000 1.672 1.390
Cl4 -1.448 -0.836 1.390
Cl5 1.448 -0.836 1.390
Cl6 0.000 -1.672 -1.390
Cl7 -1.448 0.836 -1.390
Cl8 1.448 0.836 -1.390

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6 Cl7 Cl8
C11.57791.77661.77661.77662.74622.74622.7462
C21.57792.74622.74622.74621.77661.77661.7766
Cl31.77662.74622.89592.89594.34813.24343.2434
Cl41.77662.74622.89592.89593.24343.24344.3481
Cl51.77662.74622.89592.89593.24344.34813.2434
Cl62.74621.77664.34813.24343.24342.89592.8959
Cl72.74621.77663.24343.24344.34812.89592.8959
Cl82.74621.77663.24344.34813.24342.89592.8959

picture of hexachloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 109.762 C1 C2 Cl7 109.761
C1 C2 Cl8 109.761 C2 C1 Cl3 109.762
C2 C1 Cl4 109.761 C2 C1 Cl5 109.761
Cl3 C1 Cl4 109.179 Cl3 C1 Cl5 109.179
Cl4 C1 Cl5 109.179 Cl6 C2 Cl7 109.179
Cl6 C2 Cl8 109.179 Cl7 C2 Cl8 109.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 C -0.339      
3 Cl 0.113      
4 Cl 0.113      
5 Cl 0.113      
6 Cl 0.113      
7 Cl 0.113      
8 Cl 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -84.166 0.000 0.000
y 0.000 -84.166 0.000
z 0.000 0.000 -86.502
Traceless
 xyz
x 1.168 0.000 0.000
y 0.000 1.168 0.000
z 0.000 0.000 -2.336
Polar
3z2-r2-4.672
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.932 0.000 0.000
y 0.000 15.933 -0.001
z 0.000 -0.001 14.858


<r2> (average value of r2) Å2
<r2> 542.621
(<r2>)1/2 23.294